Lead is found in Earth's crust as several different lead ores. Sup- pose a certain rock is 38.0% PbS (galena), 25.0% PbCO, (cerus- site), and 17.4% PbSO, (anglesite). The remainder of the rock is composed of substances containing no lead. How much of this rock (in kg) must be processed to obtain 5.0 metric tons of lead? (A metric ton is 1000 kg.)
Lead is found in Earth's crust as several different lead ores. Sup- pose a certain rock is 38.0% PbS (galena), 25.0% PbCO, (cerus- site), and 17.4% PbSO, (anglesite). The remainder of the rock is composed of substances containing no lead. How much of this rock (in kg) must be processed to obtain 5.0 metric tons of lead? (A metric ton is 1000 kg.)
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter9: Chemical Quantities
Section: Chapter Questions
Problem 36QAP
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